Privacy-first · No ads · Your data stays yours

Your cycle. Your data. Your privacy.

Track your period with AI-powered predictions and phase-based wellness—without ever selling or sharing your health data.

Free to use. Optional Premium — $2.99/month for unlimited AI insights, smart notifications, calendar, and export.

Coming to Android and iOS soon.

Why Reluna?

Built for people who want accurate cycle tracking without the privacy tradeoffs.

We never sell or share your data. Your cycle history stays on your device and our secure servers—not with advertisers or third parties.

Get smarter estimates for your next period and fertile window based on your own history and patterns.

Personalized nutrition, hydration, and wellness recommendations that match where you are in your cycle.

Add entries and view your data even without a connection. Everything syncs when you're back online.

Simple, private, and designed around you.

1

Log your cycle

Add your period start dates (and optional details like flow or mood). One tap is enough.
2

See your phase & predictions

Reluna shows your current phase and predicts your next period using your own data.
3

Get personalized tips

Phase-based wellness tips and optional AI insights—all without sharing your data with advertisers.

We’re putting the finishing touches on Reluna. Get notified when the app is available on the Play Store and App Store.

Have an idea or found something wrong? We read every message.

No ads, no data brokers, no sharing with third parties. We're built for people who want accurate cycle tracking without the privacy tradeoffs.